EP 0048591 A3 19821110 - AN IMPEDANCE PLETHYSMOGRAPHIC APPARATUS AND A METHOD OF REMOVING CARDIAC ARTIFACT
Title (en)
AN IMPEDANCE PLETHYSMOGRAPHIC APPARATUS AND A METHOD OF REMOVING CARDIAC ARTIFACT
Publication
Application
Priority
US 18839280 A 19800918
Abstract (en)
[origin: EP0048591A2] An impedance plethysmographic apparatus for monitoring respiration of a patient by measuring an impedance signal generated by changes occurring in the patient's chest has filter elements (30, 36) for removing cardiac artifact from the impedance signal caused by cardiac activity in the chest. The filter elements (30, 36) produces an output signal dependent only upon respiration activity in the patient's chest by removing any signals from said output caused by cardiac activity which is substantially periodic in character. There is also disclosed a method of removing cardiac artifact during monitoring of a patient's respiration using impedance plethysmography.
IPC 1-7
IPC 8 full level
A61B 5/026 (2006.01); A61B 5/08 (2006.01); A61B 5/352 (2021.01)
CPC (source: EP US)
A61B 5/0809 (2013.01 - EP US); A61B 5/352 (2021.01 - EP US)
Citation (search report)
- [A] FR 2267734 A1 19751114 - HEWLETT PACKARD GMBH [DE]
- [A] FR 2087729 A5 19711231 - IERAM SARL
- [A] FR 2345980 A1 19771028 - SERDAL SA [FR]
- [A] GB 2017312 A 19791003 - RIJKSUNIVERSITEIT
Designated contracting state (EPC)
AT BE CH DE FR GB IT LU NL SE
DOCDB simple family (publication)
EP 0048591 A2 19820331; EP 0048591 A3 19821110; JP S57156733 A 19820928; US 4379460 A 19830412
DOCDB simple family (application)
EP 81304249 A 19810916; JP 14696681 A 19810917; US 18839280 A 19800918